Though they're individually tiny, parking spots quietly play a dominant role in shaping urban landscapes. Most US cities dedicate at least 25% of their developable land to them. Some, even more. That land usage doesn't only determine the way a city looks. It also means covering large swathes of urban areas in heat-absorbing asphalt, which contributes to making summers hotter and heightens the risk of flooding since it prevents drainage during storms and heavy rainfall.
The world's biggest capital cities are now sweltering under 25% more extremely hot days each year than in the 1990s, an analysis has found. Without urgent action to protect millions of people from high temperatures, more and more will suffer in the dangerous conditions, analysts said. From Washington DC and Madrid to Tokyo and Beijing, the analysis shows a marked rise in hot days as the climate crisis intensifies.